Interesting, I guess step 1 here would be to investigate what’s different in test framework\AsterixHyracksIntegrationUntil setup and regular cluster configuration, created by managix.
> On Jun 8, 2015, at 23:37, Ian Maxon <[email protected]> wrote: > > I was playing around with the latest snapshot version, trying to create a > fresher version of my demo docker container, and so I ran through the > ADM/AQL 101. However I couldn't get it to work, which was really surprising > (and distressing). The error appears after trying to create an RTree index > on > sender-location: > > > SEVERE: java.lang.NullPointerException >> edu.uci.ics.asterix.metadata.MetadataException: >> java.lang.NullPointerException >> at >> edu.uci.ics.asterix.metadata.MetadataNode.addIndex(MetadataNode.java:229) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:497) >> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323) >> at sun.rmi.transport.Transport$1.run(Transport.java:200) >> at sun.rmi.transport.Transport$1.run(Transport.java:197) >> at java.security.AccessController.doPrivileged(Native Method) >> at sun.rmi.transport.Transport.serviceCall(Transport.java:196) >> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$97(TCPTransport.java:683) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$2/1502895914.run(Unknown >> Source) >> at java.security.AccessController.doPrivileged(Native Method) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >> at java.lang.Thread.run(Thread.java:745) >> at >> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:276) >> at >> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:253) >> at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:162) >> at >> java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194) >> at >> java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148) >> at com.sun.proxy.$Proxy11.addIndex(Unknown Source) >> at >> edu.uci.ics.asterix.metadata.MetadataManager.addIndex(MetadataManager.java:417) >> at >> edu.uci.ics.asterix.aql.translator.AqlTranslator.handleCreateIndexStatement(AqlTranslator.java:920) >> at >> edu.uci.ics.asterix.aql.translator.AqlTranslator.compileAndExecute(AqlTranslator.java:261) >> at >> edu.uci.ics.asterix.api.http.servlet.APIServlet.doPost(APIServlet.java:97) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) >> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546) >> at >> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:483) >> at >> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) >> at >> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:970) >> at >> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411) >> at >> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192) >> at >> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:904) >> at >> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) >> at >> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) >> at org.eclipse.jetty.server.Server.handle(Server.java:347) >> at >> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:439) >> at >> org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:924) >> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:781) >> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:220) >> at >> org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:43) >> at >> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:545) >> at >> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:43) >> at >> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) >> at java.lang.Thread.run(Thread.java:745) >> Caused by: java.lang.NullPointerException >> at java.io.DataOutputStream.writeUTF(DataOutputStream.java:347) >> at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) >> at >> edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer.serialize(UTF8StringSerializerDeserializer.java:44) >> at >> edu.uci.ics.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer.serialize(AStringSerializerDeserializer.java:47) >> at >> edu.uci.ics.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer.serialize(AStringSerializerDeserializer.java:26) >> at >> edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider$1.serialize(AqlSerializerDeserializerProvider.java:208) >> at >> edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider$1.serialize(AqlSerializerDeserializerProvider.java:189) >> at >> edu.uci.ics.asterix.metadata.entitytupletranslators.IndexTupleTranslator.getTupleFromMetadataEntity(IndexTupleTranslator.java:260) >> at >> edu.uci.ics.asterix.metadata.MetadataNode.addIndex(MetadataNode.java:224) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:497) >> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323) >> at sun.rmi.transport.Transport$1.run(Transport.java:200) >> at sun.rmi.transport.Transport$1.run(Transport.java:197) >> at java.security.AccessController.doPrivileged(Native Method) >> at sun.rmi.transport.Transport.serviceCall(Transport.java:196) >> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$97(TCPTransport.java:683) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$2/1502895914.run(Unknown >> Source) >> at java.security.AccessController.doPrivileged(Native Method) >> at >> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >> ... 1 more > > > I started going back, trying this on older and older revisions until it > stopped happening. It looks like this somehow has been lurking in the > Open/nested indexing code for a long time. The error does not reproduce in > the testing framework, for some reason I don't understand. > > The source of the bug seems to be that the RTree index is on a type of > UNION(sender-location, null). The name of the type is not set like it > should be, it is null. Then in IndexTupleTranslator, the 9th field of the > new metadata record is written with the name of the type- which is null, so > everything explodes. > > What is especially puzzling- is that this doesn't reproduce in > AsterixHyracksIntegrationUtil. There, the name of the type is > "Field_sender-location_in_FacebookMessageType". This type is created too in > the deployed version, however it doesn't seem to be picked up. > > I will keep digging on this, but I imagine someone more familiar with the > Open/Nested indexing patch might have an idea about why this is happening. > To reproduce just try deploying the snapshot version from the website > normally on your machine, and run through ADM/AQL 101. > > - Ian Best regards, Ildar
